INPUT AND OUTPUT DEVICES

Keyboard is an _______________ device.

• Input

• Output

• Input and Output

• Machine

_____________ is an Output device.

• Mouse

• Monitor

• Joystick

• none

__________________ is a processing unit in computer

• UPS

• Printer

• CPU

• power supply

Keyboard have ______ arrow keys.

• 6

• 4

• 2

• none

____________________ devices is used to listen music

• Printer

• Speaker

• Monitor

• CPU